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DPChallenge Forums >> Hardware and Software >> Canon EF 28-105mm 3.5-4.5 II USM - seems VERY SOFT
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Showing posts 1 - 9 of 9, (reverse)
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09/04/2007 12:02:44 PM · #1
could someone kindly post a few full-res picts taken with the Canon EF 28-105 3.5-4.5 USM. Im particularly concerned with things like people's eyes and macros.

I just bought this lens and it seems very soft. When comparing the photos I took with my 350D kit lens (18-55) to me the kit lens is sharper with similar ISO etc settings.
09/04/2007 12:59:27 PM · #2
might be the simple fact that the new lens is a lot heavier than the kit lens, therefore you aren't as steady holding it at a given shutter speed as you are with the light weight kit lens.


09/04/2007 01:06:15 PM · #3
It's a great lens, my wife ( Prozac) uses it:

1 - 2 - 3 - 4 - 5

Message edited by author 2007-09-04 13:06:49.
09/04/2007 03:14:09 PM · #4
I know "IT" is a great lens.

What I am wondering is if my particular lens is operating at 100%.

Granted the chances of user error are by far greater than the possibility of a defective lens.

Thanks for the suggestion about the weight. Perhaps that is indeed the issue.

But would someone mind taking a full frame with this lens of human eyes. Im curious as to whether its possible the lens is not focusing properly.

Thanks in advance.
09/04/2007 03:19:09 PM · #5
Why don't you post one?
09/04/2007 03:19:33 PM · #6
mite find image samples on what your looking for here

-dave

*edit*

and more lens samples here from actual users of different lenses...

Message edited by author 2007-09-04 15:24:30.
09/04/2007 04:07:18 PM · #7
Originally posted by routerguy666:

Why don't you post one?

Once I can get back to my camera I will
09/04/2007 06:38:38 PM · #8
Must just be out of adjustment or something, mine's great. Close to 70-200 4.0L sharpness, at least in the center, but it does distort a little more than I think it should on the wide end, and it's not as sharp as a prime at the corners.
09/05/2007 12:34:33 PM · #9
I did some research on other forums, then tested myself and found this lens does indeed sharpen up around 5.6 and 6.3.
That is disappointing as I was expecting to use this with a moderate bokeh.
I wasn̢۪t expecting results as with my 50 prime 1.8 but I had hoped for a little better results.

Well, I can̢۪t be too disappointed for spending less than 200 on a lens that no doubt will produce outstanding results.
Thanks for everyone̢۪s help.
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